05. ICP low Noise-Seismometer

 ICP low Noise-Seismometer-  for Vibration Monitoring according to DIN 45669

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Which is available for Civil Engineering, Construction Site Monitoring, Building Monitoring, Bridge Monitoring, Explosion Detection, Tunnel and Dam Monitoring, Earthquake Detection and VC-criteria om nanotechnology facilities. 

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Tr-axial and uni- axial ruggedized low-noise velocity sensors for multi-purpose applications

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The 902xxx series seismometers from SINUS Messtechnik GmbH were originally developed for use in measurements of building vibration.

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They comply fully with the requirements of the DIN 45669 standard (the Content of which cannot be reproduced here for copyright reasons).

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The 902xxx series seismometers are based upon an electromagnetic geophone, which satisfies the frequency-and-response requirements of DIN 45669 with the aid of an individually matched compensation filter.  Our special know-how in electronics design in combination with the state-of-the-art, low-noise electronic components guarantee the high degrees of precision and dynamics. 

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Each 3D seismometer of the 902xx series contains three such geophones together with their respective compensation filters. Different sensors (according to their condition and labeling) are required for use in horizontal and vertical positions. 

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The 902xxx series seismometers are potentially applicable for scientific purpose and for earthquake monitoring, so long as the dynamic range and frequency response is taken into consideration.

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A Unique and very convenient feature of the 902xxx series seismometers is their ICP sensor interface.

This allows the sensors to be directly used with any measurement device having an ICP input (4mA @24V)

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No additional power supply is necessary.

The ICP power supply and the requirements of DIN 45669 determine the frequency response of the seismometer.

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The dynamic range is extremely wide(>130dB).

Thus, the seismometers have a dynamic range 30dB wider than that of high-quality MEMS sensors. Vibration velocities in the range from 0.1 µm/s up to 3m/s can be measured. The sensitivity of 30V/m/s is absolutely sufficient for modern measurement devices with high-quality 24-bit analog-to-digital converters. 

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After its internal end-of-line test by SINUS Messtechnik GmbH, each seismometer is tested and calibrated by our cooperation partner SPEKTRA Schwingungstechnik and Akustik Dresden GmbH in their role as DKD/ DAkkS accredited testing institutes. /the /DAkkS calibration certificate is provided within the scope of delivery. 

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Build-in filters according to DIN 45669 for easy use with any high-end data-logger/analyzer

Through the internal analog compensation filters, which are individually adapted to each geophone, the sensors meet the requirements of DIN 45669 regarding:

Lower detection limit: 0.1 µm/s

Linearity/ Phase: class 1

Cross-axis sensitivity: < 5% 

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Easy set-up, commissioning and administration of the measuring stations and the entire system

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Preferred measurement devices for the seismometers are the Apollo family from SINUS Messtechnik GmbH:

Apollo_Box :  portable 4-channel device with USB interface for connection to PC

Soundbook : Robust, portable 8-channel device integrated with Panasonic Toughbook

NoiseLOG :    Soundbook with additional protection case and battery/charger

Typhoon:       19” Track with high-end industrial PC forup to 96 channels

Swing :            permanent measurement station with 4/8/16 channels in a wall-mount case (IP 54) and remote-control via TCP/IP. Additional sensors are available, e.g. outdoor microphone, weather station, video camera…

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Software packages for real-time measurement, monitoring and post-processing from SINUS

SINUS Messtechni GmbH offers the full solution for measurement and analysis of vibration data including post-processing:

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SAMURAI

SAMURAI is the multi-purpose software package for real-time measurement and analysis including vibration measurement according to the DIN 45669 (SAMURAI option Building Acoustics recommended).

The software allows the parallel measurement of noise and vibration according to the IEC 61672 and DN 45669 standards. A wide range of additional software options is available.

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RecServer

This software package allows automatic monitoring with GPS-synchronized noise & vibration monitoring stations for explosion detection and similar applications.

All data and commands are transferred via Internet or LAN connection.

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AUDITOR

The AUDITOR software package allows post-processing of vibration measurement data in combination with the noise measurement data, weather data and NoiseCAM- video documentation. 

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